Citazione Stile APA (7a Edizione)

KEATS, J., & Robertson, M. (1909). Poems published in 1820. Clarendon Press.

Citazione stile Chigago Style (17a edizione)

KEATS, John, e M. Robertson. Poems Published in 1820. Oxford: Clarendon Press, 1909.

Citatione MLA (9a ed.)

KEATS, John, e M. Robertson. Poems Published in 1820. Clarendon Press, 1909.